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It is universally acknowledged that H.264 has a great many advantages of coding efficiency, compared with other successful coding standards. However, as the newest video coding standard, the complexity of H,264 encoder is considerably high. This paper aims at improving the H.264 processing speed with better perceptual quality. The algorithm of module decision for deblocking is introduced and the complexity...
Due to the limitation of computing complexity, it is difficult to apply the H.264 deblocking filter to low-end terminals. Although some technologies to optimize it have been proposed, the complexity is still high for real time implementation. Considering that deblocking filter is applied to all of the vertical and horizontal edges of 4times4 blocks but only some of them actually need to be filtered...
In this paper, signal detection methods for spectrum sensing in IEEE 802.22 wireless RAN systems are discussed. As most of the manmade signals can be treated as a cyclostationary random process, the spectral correlation function is effective for the detection of these signals. In WRAN systems, due to the specific detection environment, the computational complexity of the spectral correlation based...
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